I39/90 Construction updates

Weekly Construction Update: May 18-22
All lane restrictions, road and ramp closures, and work operations are weather dependent and subject to change.

Two lanes remain open to traffic on I-39/90 (in each direction) during daytime hours and weekends. Be alert for crossovers, don’t tailgate and drive with caution through all work zones!

Access remains open to area businesses in the project area. Please continue to patronize the area businesses!

NOTE: Next week Monday through Friday, nightly single lane closures (8 p.m. – 5 a.m.) are planned on I-39/90 northbound and southbound in the following work zones, unless noted otherwise. Minor delays may occur during these lane closures.

NOTE: Only CLOSED roads are listed below; if a road is not listed, the road is OPEN.


I-39/90 and US 12/18 (Beltline) interchange area
Femrite Drive underpass
Anticipated construction completion: Fall 2021

  • I-39/90 traffic located on existing lanes through the Beltline interchange (Exit 142 A-B).
  • One lane CLOSED on westbound US 12/18 from Millpond Road to the I-39/90 southbound loop ramp.
    • The lane closure will continue throughout the 2020 construction season.
  • Updated: Read the I-39/90 and Beltline interchange construction operations.

County AB to US 12/18 (Beltline) interchange, Madison
Siggelkow Road underpass
Anticipated construction completion: November 2020

  • All I-39/90 traffic shifted onto the northbound side between County AB and the US 12/18 (Beltline) interchange.
  • Updated: I-39/90 northbound ramps CLOSED to and from County N (Exit 147), north of Stoughton.
    • 8 p.m. to 5 a.m. Wednesday and Thursday (May 20-21)
    • Alternate local routes are required.
  • Updated: Read the I-39/90 construction activities near Madison.


Kennedy Road to Rock River bridges, Janesville to Edgerton
Townline Road, County M and Newville Road underpasses
Anticipated construction completion: November 2020

WIS 26/Milton Avenue and US 14/Humes Road interchanges, Janesville
Kennedy Road underpass
Anticipated construction completion: Fall 2021

  • All I-39/90 traffic shifted onto the southbound side from Kennedy Road to the US 14 interchange (Exit 171B).
    • The Ice Age Trail under I-39/90, adjacent to Kennedy Road, is CLOSED until October 2020.
  • LONG-TERM CLOSURES: The following ramps are CLOSED until late July 2020. Alternate routes are required.
    • I-39/90 northbound ramp to WIS 26/Milton Avenue (Exit 171A)
      Beloit to Janesville/Milton/Fort Atkinson

      • Drivers with destinations in Janesville, or traveling to Milton/Fort Atkinson, must use Exit 171B. Pay attention to the signage!
      • The WIS 11/Racine Street interchange (Exit 175) is open.
    • US 14/Humes Road ramp to I-39/90 northbound
      Janesville to Madison

      • The WIS 26 ramp to the northbound Interstate is OPEN.
    • Download the Janesville ramp closure map.
  • Updated: One lane CLOSED each way on WIS 26/Milton Avenue between Morse Street and John Paul Road.
    • 5 a.m. to 2 p.m. Monday through Friday (May 18-22)
    • Be alert for slowdowns, as well as crews and equipment near the travel lanes.
  • Updated: Read the I-39/90 construction activities at the WIS 26 and US 14 interchanges.

South of US 14/Humes Road interchange to Hart Road bridge over I-39/90, Janesville to Beloit
Mount Zion Avenue, East Milwaukee Street, Ruger Avenue, Palmer Drive, County O/Delavan Drive and Townline Road
Anticipated construction completion: Late May 2020

  • All I-39/90 traffic shifted onto their respective sides within these limits.
  • Updated: Nightly lane closures on I-39/90 northbound and southbound between Janesville and Beloit.
    • 6 p.m. to 6 a.m. Monday through Friday (May 18-22)
    • Plan ahead and be alert for slowdowns in this area.
  • Spring Brook/Ice Age National Scenic Trail under I-39/90 in Janesville is CLOSED.
    • Bicyclists and pedestrians should follow the posted detour route.
  • Updated: Read the I-39/90 construction activities between Beloit and Janesville.


I-39/90 expansion and I-43 reconstruction, Beloit
Illinois state line to Hart Road | County X/Hart Road to Freeman Parkway
Anticipated construction completion: Fall 2021

  • All I-39/90 traffic is shifted onto the existing southbound lanes from Hart Road to Cranston Road.
    • Access remains OPEN to the Beloit rest area and local businesses.
  • I-43 traffic OPEN to one lane each way.
    • Be alert for construction equipment as bridge construction is taking place within the interchange area.
  • Loop ramps are CLOSED at the I-39/90 and I-43/WIS 81 interchange in Beloit.
    • I-39/90 traffic must use Exit 185 to access I-43 or WIS 81/Milwaukee Road (view the navigation map).
    • Ramps and crossroad traffic are controlled by traffic signals.
    • Drivers on I-43 should be attentive for reduced speeds heading into Beloit.
  • Colley Road under I-39/90, near Beloit, is CLOSED until June 2020.
    • Alternate local routes are required.
  • Updated: Read the I-39/90 and I-43 construction operations near Beloit.

For more information, contact:
Steven Theisen
I-39/90 Project Communications Manager
(608) 884-1230 | steven.theisen@dot.wi.gov

WisDOT and the I-39/90 Project Team
Follow us on Facebook: www.facebook.com/WisconsinI3990Project